48d39cf43b added "opengl" PACKAGECONFIG option to mesa: before that
the configuration was always enabled. "opengl" should have been added
to mesa-gl default PACKAGECONFIG but wasn't: do it now.
(From OE-Core rev: cc319b6dcc5b4a5019fb91c9771b12ce17f3c953)
Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>